Steam oven



FIG. 1 is a perspective view from the front, right side of a steam oven according to a first embodiment showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a perspective view from the front, right side of a steam oven according to a second embodiment showing my new ornamental design;

FIG. 8 is a front view thereof;

FIG. 9 is a top view thereof;

FIG. 10 is a bottom view thereof;

FIG. 11 is a right side view thereof; and,

FIG. 12 is a left side view thereof.

The broken lines represent environment or structure of the steam oven, and do not form any part of the claimed design.

The rear views of the two embodiments are unornamented and unclaimed and therefore are not provided. 

The ornamental design for steam oven, as shown and described. 